163X-T1/E1 Timers; 1631-Incoming; 1631-01: Receive Loop Detection Timer; 1631-02: Receive Dial Pulse Minimum Break Timer - NEC DSX Software Manual

1631-Incoming

163x-T1/E1 Timers

Description
Use this program to adjust the timers that affect incoming T1/E1 calls.
Options

1631-01: Receive Loop Detection Timer

(Rx Loop Detect)
For loop start T1 lines, loop current must be present for this interval before the system seizes the line. Set
this interval for compatibility with the T1 service provider. If you set this interval too short, the system may
inadvertently seize unstable lines. If too long, the system may not properly seize a valid line.
Features
• T1 Lines (page 338)
IntraMail Features
• None
Options
• 16-4080
Default
• mS
48

1631-02: Receive Dial Pulse Minimum Break Timer

(Rx Min Break)
Use this option to set the minimum required duration of the T1 circuit receive Dial Pulse Break signal (i.e.,
relay open). This is the minimum "off" time in a Dial Pulse digit. Set this timer for compatibility with the T1
service provider. Keep in mind that there are three components of a Dial Pulse digit: Make interval, Break
interval and Interdigit interval. An improper setting may cause misdialing.
Features
• T1 Lines (page 338)
IntraMail Features
• None
Options
• 4-1020
Default
• 20 mS

1631-03: Receive Dial Pulse Maximum Break Timer

(Rx Max Break)
Use this option to set the maximum allowed duration of the T1 circuit receive Dial Pulse Break signal (i.e.,
relay closed). This is the maximum allowed "off" time in a Dial Pulse digit. Set this timer for compatibility
with the T1 service provider. Keep in mind that there are three components of a Dial Pulse digit: Make inter-
val, Break interval and Interdigit interval. An improper setting may cause misdialing.
Features
• T1 Lines (page 338)
IntraMail Features
• None
DSX Software Manual
mS
mS
16xx-Timers
163x-T1/E1 Timers
1631-Incoming
System Options: 1001-1702 ◆ 695